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Watt hour to Gigajoule
Convert Watt hour to Gigajoule and get the exact value instantly.
About this conversion
To convert Watt hour to Gigajoule, multiply the number of Watt hour by 0.0000036.
Energy shows up as joules, calories, kilowatt-hours or BTU depending on the field (nutrition, an electricity bill, heating or physics), so a conversion makes the numbers comparable.
Conversion table
| Watt hour (Wh) | Gigajoule (GJ) |
|---|---|
| 1 Wh | 0.0000036 GJ |
| 2 Wh | 0.0000072 GJ |
| 5 Wh | 0.000018 GJ |
| 10 Wh | 0.000036 GJ |
| 100 Wh | 0.00036 GJ |
How to use this converter
- Enter your Watt hour value
Type any number into the Watt hour field. It starts at 1 so you can read the rate straight away.
- Read the Gigajoule result
The amount in Gigajoule updates as you type, so there is no button to press and nothing to wait for.
- Swap or keep exploring
Use the swap control to flip the direction, or pick a related conversion from the list below.
Frequently asked
- How many Gigajoule are in one Watt hour?
- One Watt hour equals 0.0000036 GJ. Enter any amount above to get an exact figure for your own value.
- Is this converter accurate?
- Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
- Do you upload the numbers I enter?
- No. The Watt hour to Gigajoule conversion runs entirely in your browser tab, and nothing you type is sent to a server.
- Does it work on my phone?
- Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.
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